Alfalfa (family: Fabaceae, the pea family) is a genus of perennial flowering plant, Medicago, most commonly referring to M. sativa L., also called lucerne.

GoldBamboo

... Currently, the most convincing clinical evidence for alfalfa is in the area of cholesterol control. In several animal and human studies, alfalfa supplements reduced blood cholesterol levels, particularly for individuals with a specific kind of high cholesterol known as type II hyperlipoproteinemia. Although the exact reasons are not understood completely, fibers and chemicals in alfalfa appear to stick to cholesterol, keeping it from staying in the blood or depositing in blood vessels. More of the harmful types of cholesterol leave the body, while high-density lipoprotein (HDL) -- the "good" kind of cholesterol -- appears to be unaffected. ...
Drug Digest - more...

?Alfalfa Medicago sativa Scientific classification Kingdom: Pla ...
Wikipedia - [full article]

Resources